MB-45. Door and window system without a thermal break
- Evgenii Zabolotko
- Dec 19, 2024
- 1 min read

Max dimensions of the door leaf (H × L): H max. 2400 mm; L max. 1250 mmMax weight of the sash (door / window): 120-130 kgThe MB-45 system is designed for architectural elements that do not require thermal insulation, suitable for both interior and exterior enclosures such as partition walls, windows, doors (manual and automatic sliding, swing), vestibules, display windows, and various structural forms. This system is well-suited for environments where thermal insulation is unnecessary, prioritizing structural integrity and design versatility.
Key Features:
• Profile Depths:
• Windows: 45 mm (frame), 54 mm (casement)
• Doors: 45 mm for both frame and casement
• Unified Appearance: Window and door frames and casements align flush when closed, offering a sleek exterior look.
• Profile Bending Capability: Allows for the creation of arched and curved structures, increasing design options.

Functional Benefits:
• Seal Tightness: EPDM synthetic rubber gaskets provide excellent aging resistance and ensure lasting tightness.
• Versatility: Compatible with MB-60 and MB-70 systems, offering a range of options for structural details like door threshold shapes and glazing bead designs.
• Glass Accommodation:
• Windows: Glass panel thicknesses from 2 mm to 35 mm
• Doors: Glass panel thicknesses from 2 mm to 26 mm
Additional Applications:
• Smoke Control Doors: Available in Sa and S200 classes for enhanced safety features.
• Hurricane Resistance: Successfully tested under ASTM standards and the Florida Building Code for hurricane performance (TAS 201-94, TAS 202-94, TAS 203-94).
The MB-45 system is a robust, adaptable solution ideal for various architectural applications where thermal performance is not a concern but structural flexibility and aesthetic appeal are essential.